diff --git a/root/entrypoint.sh b/root/entrypoint.sh
index bf44ec8..e18ca32 100755
--- a/root/entrypoint.sh
+++ b/root/entrypoint.sh
@@ -86,6 +86,11 @@ provisioner() {
                 psql -q -h "${SYMFONY__ENV__DATABASE_HOST}" -p "${SYMFONY__ENV__DATABASE_PORT}" -U "${POSTGRES_USER}" \
                     -c "CREATE ROLE ${SYMFONY__ENV__DATABASE_USER} with PASSWORD '${SYMFONY__ENV__DATABASE_PASSWORD}' LOGIN;"
             fi
+        fi
+        TABLES_EXISTS="$(psql -qAt -h "${SYMFONY__ENV__DATABASE_HOST}" -p "${SYMFONY__ENV__DATABASE_PORT}" -U "${POSTGRES_USER}" \
+            -d ${SYMFONY__ENV__DATABASE_NAME} -c "SELECT 1 FROM pg_catalog.pg_tables WHERE schemaname = 'public' AND tablename like '${DB_PREFIX}%';")"
+        if [ "$TABLES_EXISTS" == "" ]; then
+            echo "Installing Wallabag ..."
             install_wallabag
         else
             echo "WARN: Postgres database is already configured. Remove the environment variable with root password."